Home / 11,915.51-16,443.43-6,610.33

Finding the Fourth Proportional to 11,915.51, 16,443.43 and 6,610.33

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Solution

The fourth proportional to 11,915.51, 16,443.43 and 6,610.33 is: 9,122.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,915.51 : 16,443.43 = 6,610.33 : x
  2. Step 2: Convert to fraction form
    11,915.51/16,443.43 = 6,610.33/x
  3. Step 3: Cross multiply
    11,915.51x = 16,443.43 × 6,610.33
  4. Step 4: Simplify right side
    11,915.51x = 108,696,456.41
  5. Step 5: Solve for x
    x = 108,696,456.41/11,915.51
  6. Step 6: Final answer
    x = 9,122.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.